West Pharmaceutical Servi...

NYSE: WST · Real-Time Price · USD
245.92
-0.28 (-0.11%)
At close: Aug 15, 2025, 3:59 PM
246.20
0.11%
After-hours: Aug 15, 2025, 07:22 PM EDT

WST Delta Exposure By Expiry

The total Delta Exposure (DEX) for WST across all expirations shows 403,291.32 net shares that market makers must hedge, with 492,082.88 from calls and 88,791.56 from puts. The put-call delta ratio of 0.18 shows bullish positioning with call dominance, potentially providing upward momentum but leaving the market vulnerable to sharp pullbacks. The largest delta concentration at Dec 19, 25 with 196,965.81 net DEX represents significant hedging pressure that may cap upside moves. The nearest expiration on Sep 19, 25 carries positive delta requiring market makers to short shares, potentially creating resistance.

WST DEX Table

Expiry Date Call Delta Put Delta Net Delta P/C Delta
Sep 19, 25 217,551.15 -26,871.59 190,679.56 0.12
Oct 17, 25 120.47 -40.16 80.31 0.33
Dec 19, 25 254,141.23 -57,175.42 196,965.81 0.22
Jan 16, 26 0 0 0 n/a
Mar 20, 26 20,270.03 -4,704.39 15,565.64 0.23